How to add date and time on photo (Android, iPhone)

Method 1: your phone camera's own watermark setting

Some phones can print the date and time on a photo as you take it. Where the feature exists, it is the simplest option, and it costs nothing.

Samsung Galaxy

Samsung's camera has a watermark setting in the camera settings. It lets you show the date and time, edit the text, and change the font and alignment. Samsung says it applies only to photos taken after you turn it on, and some older models and camera modes don't support it. Read Samsung India's help page for your model, because menus change between software versions.

Other Android phones

Brands such as Xiaomi, Vivo, Oppo and Realme handle this differently. Some offer a watermark or date option inside the camera settings, and some offer none. Open your camera settings and look for words like watermark or time stamp, or search your maker's help site. Google's Pixel Camera has a Save location setting, but it stores place data inside the file rather than printing it on the picture. See Pixel Camera Help.

iPhone

The iPhone camera doesn't print a date or place on the picture. It does save the time and, if Location Services is on for Camera, the coordinates in the photo's hidden data. Apple explains this in its location metadata guide. To see the date, open the photo and swipe up. To print it on the image, you need an app.

Verdict: good for family photos and quick notes. The stamp usually shows the phone's own clock, which anyone with access to settings can change.

Method 2: apps that write a date on photos you already took, and why that isn't proof

Many apps let you pick a photo from your gallery and write a date, time or map location over it. They are useful for albums, forms and school work. They are weak as evidence.

1. Install a stamp or watermark app from your phone's app store.
2. Open it and choose a photo from the gallery.
3. Pick a date and time format, and a place or map layout if offered.
4. Apply the stamp.
5. Save the new copy and share it.

The problem is step 2. The app stamps whatever you choose, and often lets you type the date or place yourself. A reader sees clean text on the image and can't tell whether it was true at the moment of the shot.

A stamp on an old photo shows when someone stamped it, or what they typed. It does not show when the camera captured it.

Verdict: fine for convenience. Don't use it for site work, claims or bills. Some stamp apps do use a live camera, which is better; our post on GPS Map Camera alternatives explains where even those stop short.

Method 3: a stamp at the moment of capture with a live camera

A live-capture camera takes the photo itself and writes the time and GPS location into the image at the shutter. It has no gallery step, so there is no old photo to dress up.

Verafii works this way. Photos and video come only from its own camera. There is no gallery and no file picker, and the app never asks for photo-library access, so it can't stamp an old photo. The GPS and time are burned in at capture. If a fake location is used, the photo is flagged on the photo, the report, the verify page and the dashboard, on Android and iPhone. Flagged is not the same as blocked, and our post on fake GPS in site photos covers how to handle a flag fairly.

The app and dashboard come in 11 languages, including Hindi, Marathi, Tamil, Telugu, Bengali, Gujarati and Kannada. The watermarks and reports are in English.

Verdict: the right choice when someone else has to believe the photo.

How to do it with Verafii

These steps cover the normal flow for a site visit. Screens may differ slightly by phone.

1. Install Verafii on your Android phone or iPhone and sign in with your team's account. You can start with the 30-day free trial.
2. Open the Verafii camera at the site and allow location access when asked.
3. Take your photos or record video, with audio if needed. Each one is stamped with GPS and time as you shoot.
4. Add notes where useful. Every photo, video and note lands in one numbered job record tied to the site.
5. If there is no signal, carry on. Capture works offline and uploads when the phone is back online.
6. Before leaving the site, make the one-tap PDF report. It carries your customer's logo, the location, device, time and a QR code.
7. Send the PDF to the client.

Anyone can then check a Verafii report by scanning the QR, with no account and no app.

Which method to use

• Camera watermark: use it for personal photos and quick reference, on a phone that supports it. It costs nothing, but it shows the phone clock.
• Stamp app on old photos: use it for albums or forms where nobody will challenge the date. Don't use it as evidence.
• Live-capture camera: use it when a client, PMC (project management consultant), insurer or department may question the photo. It needs the app on each field phone and a plan.

A simple test helps: if a doubting reviewer could cost you money or time, stamp at capture. If not, the free setting is enough.

Verafii is built for teams in construction, solar, telecom, surveys and claims. If you work alone and no one will question your photos, a simple stamp is a reasonable choice.

Can someone change the date on a photo, and what a stamp can't prove

Yes, in most cases. Each method has its own weak point.

• Phone clock: if the date and time are set manually, a camera watermark will print the wrong date. Check that automatic date and time is on.
• Hidden photo data: the date and location saved inside a file can be edited with free tools, and chat apps often strip them when you send a photo.
• Printed text: a stamp is just pixels. It can be edited out or retyped in an image editor.
• Old photos: a stamp app can't know when the original was shot.

A live-capture stamp is harder to dispute, but it has limits too. GPS can drift indoors and near tall buildings, so a small offset is not proof of cheating. A photo shows what was in front of the lens, not whether the work is good or complete. And whether a client, insurer or department accepts a photo is their decision.

With Verafii, one SHA-256 fingerprint covers the PDF, every photo and every video. If anyone drops the file they received onto the verify page, a match means it is untouched; the check happens in the browser and nothing is uploaded. Our post on scanning the QR and dropping in the file walks through it.